--- jpeg-6b/jpeglib.h.c++fixes	1998-02-21 20:48:14.000000000 +0100
+++ jpeg-6b/jpeglib.h	2006-12-11 23:00:46.000000000 +0100
@@ -13,6 +13,10 @@
 #ifndef JPEGLIB_H
 #define JPEGLIB_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /*
  * First we include the configuration files that record how this
  * installation of the JPEG library is set up.  jconfig.h can be
@@ -1093,4 +1097,8 @@ struct jpeg_color_quantizer { long dummy
 #include "jerror.h"		/* fetch error codes too */
 #endif
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* JPEGLIB_H */